C-Ray Simple Raytracing Tests
http://www.futuretech.blinkenlights.nl/c-ray.html
By: John Tsiombikas <nuclear()siggraph.org>
Test suite compiled by: Ian Mapleson <mapesdhs()yahoo.com>
Last Change: 10/Apr/2008
C-Ray is a simple raytracer written by John Tsiombikas; in his
own words, it is:
"...an extremely small program I did one day to figure out how
would the simplest raytracer program look like in the least
amount of code lines."
The relevant discussion on Nekochan is at:
http://forums.nekochan.net/viewtopic.php?f=3&t=15719
The default data set is very small, so C-ray really only tests the pure
floating-point (fp) speed of a CPU core (or multiple CPUs/cores using the
threaded version), ie. RAM speed is not a significant factor. John said:
"This thing only measures 'floating point CPU performance' and
nothing more, and it's good that nothing else affects the results.
A real rendering program/scene would be still CPU-limited meaning
that by far the major part of the time spent would be CPU time in
the fpu, but it would have more overhead for disk I/O, shader
parsing, more strain for the memory bandwidth, and various other
things. So it's a good approximation being a renderer itself, but
it's definitely not representative."
Nevertheless, the results are certainly interesting:
http://www.futuretech.blinkenlights.nl/c-ray.html
If you wish to submit your own results, follow the instructions given
below. Send the data to me, not to John, and I will add them to the
relevant tables; please include all requested details.
Comments and feedback welcome!
Ian.
mapesdhs()yahoo.com
sgidepot()blueyonder.co.uk
http://www.futuretech.blinkenlights.nl/sgidepot/
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